Sands Lake North Dam
Sands Lake North Dam is an earth dam located in Hill County, Montana, built in 1911. It carries a Significant hazard potential classification.
About Sands Lake North Dam
The primary purpose of Sands Lake North Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Havre Irrigation Company (private). It impounds the Diverson From Beaver Creek near Havre.
The dam stands 11 feet tall and stretches 525 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1911, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 06/20/1995. That was over 30 years ago.
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Location
| State | Montana |
| County | Hill |
| Nearest City | Havre |
| River/Stream | Diverson From Beaver Creek |
| Coordinates | 48.53280, -109.70510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 525 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 405 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 110 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HAVRE IRRIGATION COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 06/20/1995 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03668 |
| Federal ID | MT03668 |
| More Info | State Dam Safety Program |